

# for i in "python is good":
#     print(i, end="-")
# 输入1.72， 80
a, b = eval(input())
bmi = b/pow(a, 2)
if bmi < 18.5:
    print("BMI数值为:{:.2f}\nBMI指标为:国际'偏瘦',国内'偏瘦'".format(bmi))
elif 18.5 <= bmi <= 24:
    print("BMI数值为:{:.2f}\nBMI指标为:国际'正常',国内'正常'".format(bmi))
elif 24 <= bmi < 25:
    print("BMI数值为:{:.2f}\nBMI指标为:国际'正常',国内'偏胖'".format(bmi))
elif 25 <= bmi < 28:
    print("BMI数值为:{:.2f}\nBMI指标为:国际'偏胖',国内'偏胖'".format(bmi))
elif 28 <= bmi < 30:
    print("BMI数值为:{:.2f}\nBMI指标为:国际'偏胖',国内'肥胖'".format(bmi))
elif 30 <= bmi:
    print("BMI数值为:{:.2f}\nBMI指标为:国际'肥胖',国内'肥胖'".format(bmi))
